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Rocker Arms

WARNING: This page is about a different car, the 2007 Chrysler PT Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Rocker Arm Components
GC0015310Courtesy of CHRYSLER LLC
1 - LASH ADJUSTER POCKET
2 - OIL SQUIRT HOLE
3 - ROLLER

Inspect the rocker arm lash adjuster pocket (1) and roller (3) for wear or damage. Make sure the oil squirt hole (2) is not plugged. See Fig 1. Replace as necessary.